The National Basketball League operated for 12 seasons from
1937-38 through 1948-49. Teams frequently changed
cities, owners, sponsors and names, making the league's franchise
history more complicated than the modern NBA.
A blank space indicates that the city did not have an NBL team under
the name shown during that season.
The NBL included company-sponsored clubs, independent professional
teams and franchises that frequently relocated or changed names.
This explains why several cities appear for only one season while
others, such as Oshkosh and Sheboygan, remained in the league for
many years.
The Oshkosh All-Stars were the only club represented
in every NBL season from 1937-38 through the league's final season
in 1948-49.
Several NBL organizations eventually became part of the NBA,
including the Fort Wayne Zollner Pistons, Minneapolis Lakers,
Rochester Royals, Syracuse Nationals and Tri-Cities Blackhawks.